Finding the Fourth Proportional to 4,163,668.96, 5,745,113.02 and 2,328,163.60
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Solution
The fourth proportional to 4,163,668.96, 5,745,113.02 and 2,328,163.60 is: 3,212,446.32
Step by Step Solution
- Step 1: Write the proportion equation
4,163,668.96 : 5,745,113.02 = 2,328,163.60 : x - Step 2: Convert to fraction form
4,163,668.96/5,745,113.02 = 2,328,163.60/x - Step 3: Cross multiply
4,163,668.96x = 5,745,113.02 × 2,328,163.60 - Step 4: Simplify right side
4,163,668.96x = 13,375,563,011,050.07 - Step 5: Solve for x
x = 13,375,563,011,050.07/4,163,668.96 - Step 6: Final answer
x = 3,212,446.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.